| Name | CVE-2022-34749 |
| Description | In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1016089 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mistune (PTS) | bullseye | 0.8.4-4 | vulnerable |
| bookworm | 2.0.4-1 | fixed |
| sid, trixie | 3.0.2-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| mistune | source | (unstable) | 2.0.3-1 | | | 1016089 |
Notes
[bullseye] - mistune <no-dsa> (Minor issue)
[buster] - mistune <no-dsa> (Minor issue)
https://github.com/lepture/mistune/commit/a6d43215132fe4f3d93f8d7e90ba83b16a0838b2 (v2.0.3)